Epson L120 Service Manual page 34

L120 L120
2.4 Rou 2.4 Routin ting FFC g FFCs/c s/cabl ables es
Right side Right side
Head FFC Head FFC CN102 CN102 CN12 CN12 CN6 CN6
CR Encoder FFC CR Encoder FFC CR Motor cable CR Motor cable
Connect the following cables/FFCs to the Main Board as shown in the figure above. Connect the following cables/FFCs to the Main Board as shown in the figure above.
• • P P F F M M o o t t o o r r c c a a b b l l e e ( ( C C N N 1 1 3 3 ) ) • •
• • C C R R M M o o t t o o r r c c a a b b l l e e ( ( C C N N 1 1 2 2 ) ) • •
• • He Head ad FF FFC C (C (CN1 N102 02) )
Head FFC (Routing on the CR Unit) Head FFC (Routing on the CR Unit)
Rearside of CR Unit Rearside of CR Unit Protrusion Protrusion
CR Encoder FFC CR Encoder FFC
Outside of CR Unit Outside of CR Unit
CR Encoder FFC CR Encoder FFC
Rib Rib
Connector of Connector of
CR Encoder CR Encoder
 
Route the CR Encoder FFC through the rib on the CR Unit and connect it to the connector on the CR Encoder. Route the CR Encoder FFC through the rib on the CR Unit and connect it to the connector on the CR Encoder.
  Make sure that the CR Encoder FFC is not in contact with the protrusion on the CR Unit. Make sure that the CR Encoder FFC is not in contact with the protrusion on the CR Unit.
  When routing the Head FFC/CR Encoder FFC, engage the fold to the When routing the Head FFC/CR Encoder FFC, engage the fold to the hook on the
Disassembly/Reassembly Disassembly/Reassembly
L120 L120
Do not apply too Do not apply too
H H o o o o k k C C
much tension. much tension.
CR Motor cable CR Motor cable
CR Motor cable (red) CR Motor cable (red)
Rib A Rib A
CR Motor cable (black) CR Motor cable (black)
 
When routing the CR Motor cable through hooks C, D, E on the Main Frame, make sure to align the portions protected with acetate tape to hooks C, D, E. When routing the CR Motor cable through hooks C, D, E on the Main Frame, make sure to align the portions protected with acetate tape to hooks C, D, E.
  Route the CR Motor cable as follows. Route the CR Motor cable as follows.
1. 1. Route the CR Motor cable (black) aro Route the CR Motor cable (black) around the rib A of the und the rib A of the Frame Base (tw
2. 2. Route the CR Motor cab Route the CR Motor cable (red) throu le (red) through the rib B of the Frame Base gh the rib B of the Frame Base, and then route it throu
come over the CR Motor cable (black). come over the CR Motor cable (black).
3. 3. Twist the CR Moto Twist the CR Motor cable (black) and CR Mo r cable (black) and CR Motor cable (red) tw tor cable (red) twice, and then route th
4. 4. Route the CR Motor cab Route the CR Motor cable (black) and CR Mot le (black) and CR Motor cable (red) in the ord or cable (red) in the order of hook D of the Main Fram
Holder, and hook E of the Main Frame. Holder, and hook E of the Main Frame.
Disassembly/Reassembly Disassembly/Reassembly
Main Board Assy Main Board Assy
P P F F M M o o t t o o r r c c a a b b l l e e Main Board Main Board
PS Unit cable PS Unit cable
P P S S U U n n i i t t c c a a b b l l e e ( ( C C N N 5 5 0 0 1 1 ) )
C C R R E E n n c c o o d d e e r r F F F F C C ( ( C C N N 6 6 ) )
Inside of CR Unit Inside of CR Unit
Connector of Printhead Connector of Printhead
hook on the CR Unit while aligning their shapes, then CR Unit while aligning their shapes, then connect them to the connector on the connect them to the connector on the Printhead.
CR Motor CR Motor
C C R R M M o o t t o o r r c c a a b b l l e e CR Motor CR Motor H H o o o o k k D D Groove of FFC Holder Groove of FFC Holder
Rib B Rib B
Frame Base (two turns). Do not apply too much tensio o turns). Do not apply too much tension on the CR Motor cable (black) then. n on the CR Motor cable (black) then.
, and then route it through the rib A taking care not to let the CR Moto gh the rib A taking care not to let the CR Motor cable (red)
ice, and then route them through th em through the hook C of the Main Frame. e hook C of the Main Frame.
er of hook D of the Main Frame, groove of the FFC Ho e, groove of the FFC Holder, dowe
Aligning Head FFC with CR Encoder FFC Aligning Head FFC with CR Encoder FFC
Head FFC Head FFC
C C N N 1 1 3 3 C C N N 5 5 0 0 1 1
CR Encoder FFC CR Encoder FFC
PF Encoder cable PF Encoder cable
Align the Head FFC and CR Encoder FFC, and then route them through the FFC Holder as shown in the figure above. Align the Head FFC and CR Encoder FFC, and then route them through the FFC Holder as shown in the figure above.
Frame Base Frame Base
Head FFC Head FFC
Bottom of Frame Base Bottom of Frame Base
CR Unit CR Unit
  Pull out the PS Unit cable from the hole of the Frame Base first, and then Pull out the PS Unit cable from the hole of the Frame Base first, and then
route it through the rib of the Frame Base. route it through the rib of the Frame Base.
Printhead.   Put the ferrite core into the position shown in the figure above. Put the ferrite core into the position shown in the figure above.
Routing FFCs/cables Routing FFCs/cables
H H o o o o k k E E
Dowel of FFC Holder: Dowel of FFC Holder:
Route above dowel. Route above dowel.
r cable (red)
lder, dowel of the FFC l of the FFC
Routing FFCs/cables Routing FFCs/cables
Head FFC (Routing on the Main Frame) Head FFC (Routing on the Main Frame)
Fold here inside FFC Holder Fold here inside FFC Holder
Rear Rear
Stack the Head FFC over the CR Encoder Stack the Head FFC over the CR Encoder
FFC to keep the Head FFC on top. FFC to keep the Head FFC on top.
FFC Holder FFC Holder
Head FFC/CR Encoder FFC Head FFC/CR Encoder FFC
PS Unit PS Unit
PS Unit cable PS Unit cable
Ferrite core Ferrite core
Rib Rib
Hole Hole
PS Unit cable PS Unit cable
Route the PF Motor cable as follows. Route the PF Motor cable as follows.
1. 1. Pull out the P Pull out the PF Motor cab
2. 2. Install the PF M Install the PF Motor, and se
the Frame Base, and then route it through the rib of the Frame Base. the Frame Base, and then route it through the rib of the Frame Base.
Revision A Revision A
Main Frame Main Frame FFC Holder FFC Holder
Head FFC/CR Encoder FFC Head FFC/CR Encoder FFC
PF Motor PF Motor
Frame Base Frame Base PF Motor cable PF Motor cable
Bottom of Frame Base Bottom of Frame Base Route PF Motor Route PF Motor
cable through rib. cable through rib.
Secure PF Motor Secure PF Motor
cable (black) with rib. cable (black) with rib.
PF Motor PF Motor
F Motor cable from the ho le from the hole of the Fram le of the Frame Base. e Base.
otor, and secure the PF Moto cure the PF Motor cable (black) w r cable (black) with the rib of ith the rib of
Confidential Confidential
Revision A Revision A
Confidential Confidential
Rib Rib
Hole Hole
40 40
41 41